Spine
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Comparative Study
Intraoperative Computed Tomography Versus 3D C-Arm Imaging for Navigated Spinal Instrumentation.
A prospective case-series study and a retrospective analysis of historical patients for comparison of data. ⋯ 3.
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A prospective randomized double blind placebo controlled trail. ⋯ 2.
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Cross-sectional study. ⋯ 3.
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A retrospective cohort study was performed. ⋯ N/A.